double fault 
noun Tennis
An instance of two consecutive faults in serving, counting as a point against the server.The Frenchman serves two consecutive double faults before sending an attempted lob clear of the baseline....
- She admitted to being a little rusty, which showed in several double faults and foot faults.
- The British No 2, now up to No 98 in the rankings, was not disturbed by 12 double faults in the match.
verb
(double-fault) [no object] Serve a double fault: she double-faulted on the final point...
- Rafter started the brighter and broke serve when Agassi double-faulted, holding out to take the first set.
- But Enqvist stormed back to tie it, only to double-fault on his last serve before Agassi hit a backhand cross-court winner to end the first set.
- Last year, when she double-faulted at break point in the Wimbledon final against her sister, there were dark rumours that it had been decreed as Serena's year.
- weariless
- wearily
- weariness
- wearing
- wearing course
- wearingly
- wearisome
- wearisomely
- wearisomeness
- wear off
- wear on
- wear oneself to a shadow
- wear one's heart on one's sleeve
- wear-resistant
- wear someone/thing down
- wear someone/thing out
- wear something out (also wear out)
- wear the silver fern
- wear the trousers
- wear thin
- weary
- wearying
- wearyingly
- weasand
- weasel